Complete dentures made in a conventional manner prove satisfactory in most of the patients, but in compromised patients, conventional method brings with it certain disadvantages. There are numerous types of unconventional dentures.To name a few - Prosthesis for overdentures, Immediate Dentures, Hollow Denture, Cast Metal Denture, The prosthesis in Microstomia patients, Prosthesis for Xerostomia patients and Prosthesis for patients with partial or complete resection of the mandible. Invention and progress have been going on in every aspect of life and dentistry, is no exception. The dentist must choose the material & suitable technique for each patient's prosthetic reconstruction based on the type of restoration planned.